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waveform: add save_trace

This commit is contained in:
Simon Renblad 2024-01-22 15:59:35 +08:00 committed by Sébastien Bourdeauducq
parent 863daca2da
commit 847b4ee2a3
1 changed files with 23 additions and 0 deletions
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23
artiq/dashboard/waveform.py
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@ -168,6 +168,7 @@ class WaveformDock(QtWidgets.QDockWidget):
self._channel_model = Model({}) self._channel_model = Model({})
self._ddb = None self._ddb = None
self._dump = None
self._waveform_data = { self._waveform_data = {
"timescale": 1, "timescale": 1,
@ -212,6 +213,7 @@ class WaveformDock(QtWidgets.QDockWidget):
self._file_menu = QtWidgets.QMenu() self._file_menu = QtWidgets.QMenu()
self._add_async_action("Open trace...", self.load_trace) self._add_async_action("Open trace...", self.load_trace)
self._add_async_action("Save trace...", self.save_trace)
self._menu_btn.setMenu(self._file_menu) self._menu_btn.setMenu(self._file_menu)
def _add_async_action(self, label, coro): def _add_async_action(self, label, coro):
@ -234,6 +236,7 @@ class WaveformDock(QtWidgets.QDockWidget):
asyncio.ensure_future(self._add_channel_task()) asyncio.ensure_future(self._add_channel_task())
def on_dump_receive(self, dump): def on_dump_receive(self, dump):
self._dump = dump
decoded_dump = comm_analyzer.decode_dump(dump) decoded_dump = comm_analyzer.decode_dump(dump)
waveform_data = comm_analyzer.decoded_dump_to_waveform_data(self._ddb, decoded_dump) waveform_data = comm_analyzer.decoded_dump_to_waveform_data(self._ddb, decoded_dump)
self._waveform_data.update(waveform_data) self._waveform_data.update(waveform_data)
@ -256,6 +259,26 @@ class WaveformDock(QtWidgets.QDockWidget):
except: except:
logger.error("Failed to open analyzer trace", exc_info=True) logger.error("Failed to open analyzer trace", exc_info=True)
async def save_trace(self):
if self._dump is None:
logger.error("No analyzer trace stored in dashboard, "
"try loading from file or fetching from device")
return
try:
filename = await get_save_file_name(
self,
"Save Analyzer Trace",
self._current_dir,
"All files (*.*)")
except asyncio.CancelledError:
return
self._current_dir = os.path.dirname(filename)
try:
with open(filename, 'wb') as f:
f.write(self._dump)
except:
logger.error("Failed to save analyzer trace", exc_info=True)
def _process_ddb(self): def _process_ddb(self):
channel_list = comm_analyzer.get_channel_list(self._ddb) channel_list = comm_analyzer.get_channel_list(self._ddb)
self._channel_model.clear() self._channel_model.clear()